Mitochondria

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Across
  1. 2. energy carrier molecule
  2. 3. shelf like extensions of the inner membrane
  3. 4. semi rigid material that allows the mitochondria to control the production of their own protein
Down
  1. 1. surrounds the organelle controlling the entry and exit of material
  2. 2. transport the process by which epithelial cells use a lot of energy to absorb substances